New York Vehicle & Traffic Law Section 117-C - Hazardous materials emergency vehicle.

 117-c. Hazardous   materials  emergency  vehicle.  Every  designated
  vehicle operated  by  a  hazardous  materials  emergency  response  team
  created  pursuant to section two hundred nine-y of the general municipal
  law specifically equipped  for  and  used  in  response  to  reports  of
  emergencies resulting from actual or potential releases, spills or leaks
  of, or other exposure to hazardous substances.

Last modified: February 3, 2019